Extended Features:

Bluetooth HSP/HFP compliant - Universal

Bluetooth is a cable replacement technology. Bluetooth is a global standard so Bluetooth devices of different manufacturers can interoperate using shared Bluetooth profiles. HSP (Handset Profile) and HFP (Handsfree Profile) are the profiles required for typical Bluetooth headset operations. If your mobile phone is compliant to HSP or HFP (like virtually any Bluetooth enabled phone) this headset will work with it. The Bluetooth word mark and logos are owned by the Bluetooth SIG Inc. and any use of such marks by Koninklijke Philips Electronics N.V. is under license. OptiFit neckband

With the OptiFit neckband you can easily adjust the headset while you are wearing it for a comfortable personalized fit. It features a flexible hinge and adjustable soft earloops and places the speakers at the optimum angle to your ear for maximum sound performance. Bluetooth Stereo (A2DP compliant)

This Philips device fully supports Bluetooth Stereo (A2DP). A2DP (Advanced Audio Distribution Profile) compliance enables this headset to receive stereo music from any Bluetooth device that is A2DP compliant. Therefore you can use this headset with any compatible mobile phone PC Bluetooth adapter MP3 player etc. that supports A2DP. 32mm speaker driver delivers high performance sound

The 32 mm speaker driver is a compact yet powerful element for delivering non-distorted sound with any given input power.SwitchStream - never miss a beat never miss a call.

With SwitchStream you will hear a ring tone in your headset when you are receiving a call on your Bluetooth enabled phone. You can then pick up the call from your headset and return to your music after ending the call. Never miss a a beat never miss a call. Wireless call management

Manage your call without using your mobile phone. This includes call acceptance rejection voice dial and redial. Voice dial and redial have to be supported by your mobile phone. Neodymium magnet enhances bass performance and sensitivity

Neodynium is the best material for producing a strong magnetic field for greater sensitivity in a voice coil better bass response and higher overall sound quality.  Digital stereo sound quality in Bluetooth stereo products

The audio signal is transferred wirelessly as a digital signal and is only converted to analog in the device itself. This means that interference noise has less influence on the sound quality than with analog technologies. The sound playback will be true to the original recording and sound source. Wireless music control from your headset

Music control buttons on your headset allow you to wirelessly control music on your (AVRCP - Audio Video Remote Control Profile) compatible phone MP3 player or PC. Skip forward to your favorite songs or pause the music for a quick chat - all with the press of a button within your arms reach.